1 ; RUN: llc < %s -mtriple=i386-apple-darwin9 -O0 -optimize-regalloc -regalloc=basic -no-integrated-as | FileCheck %s 2 ; rdar://6992609 3 4 target triple = "i386-apple-darwin9.0" 5 6 define i64 @_OSSwapInt64(i64 %_data) nounwind { 7 entry: 8 %0 = call i64 asm "bswap %eax\0A\09bswap %edx\0A\09xchgl %eax, %%edx", "=A,0,~{dirflag},~{fpsr},~{flags}"(i64 %_data) nounwind 9 ret i64 %0 10 } 11 12 ; CHECK-LABEL: __OSSwapInt64: 13 ; CHECK-DAG: movl 8(%esp), %edx 14 ; CHECK-DAG: movl 4(%esp), %eax 15 ; CHECK: ## InlineAsm Start 16 ; CHECK: ## InlineAsm End 17 ; Everything is set up in eax:edx, return immediately. 18 ; CHECK-NEXT: retl 19 20 ; The tied operands are not necessarily in the same order as the defs. 21 ; PR13742 22 define i64 @swapped(i64 %x, i64 %y) nounwind { 23 entry: 24 %x0 = call { i64, i64 } asm "foo", "=r,=r,1,0,~{dirflag},~{fpsr},~{flags}"(i64 %x, i64 %y) nounwind 25 %x1 = extractvalue { i64, i64 } %x0, 0 26 ret i64 %x1 27 } 28
